var StartBackgroundLayer = cc.LayerColor.extend({
	zindex:5,
	ctor:function () {
		this._super();
		this.loadBg();
//		this.loadWosai();
		return true;
	},
	loadBg : function(){
		var start_bg = new cc.Sprite(res_public.start_bg_jpg);
		start_bg.setPosition(gg.width * 0.5, gg.height * 0.5);
		this.addChild(start_bg,1);
	},
	loadWosai:function(){
		var wosai  = new cc.Sprite(res_public.wosai_png);
		wosai.setPosition(wosai.width * 0.5 + 40, gg.height -40 - wosai.height * 0.5);
		this.addChild(wosai,2);
	}
});